Null Pointer Exception Example
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Null Pointer Exception Example
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main method public static void main String args int arr null array is assigned a null value System out println The length of the array arr is arr length Output The null pointer exceptions can be prevented using null checks and preventive coding techniques. Look at below code examples showing how to avoid.
Null Pointer Exception ExampleAsk any Java developer about the most common exception they've encountered, and the NullPointerException (often abbreviated as NPE) is likely to top the list. In this article, we. A null pointer exception is an indicator that you are using an object without initializing it For example below is a student class which will use it in our code public class Student